#BB3E3B#BB3E3B

#BB3E3B is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.3% C 0.162 H 25.5°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#BB3E3B
RGB	rgb(187, 62, 59)
HSL	hsl(1, 52%, 48%)
HSV	hsv(1, 68%, 73%)
CMYK	cmyk(0%, 66.8%, 68.4%, 26.7%)
CIE-LAB	lab(44.70, 49.97, 29.88)
CIE-LCH	lch(44.70, 58.22, 30.88°)
OKLab	oklab(54.25% 0.1458 0.0695)
OKLCH	oklch(54.25% 0.162 25.5)
XYZ	xyz(23.0080, 14.3291, 5.6911)
Luminance	0.1433 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3E3B #3BB8BB

analogous

#BB3B78 #BB3E3B #BB7E3B

triadic

#BB3E3B #3BBB3E #3E3BBB

tetradic

#BB3E3B #78BB3B #3BB8BB #7E3BBB

square

#BB3E3B #78BB3B #3BB8BB #7E3BBB

split-complementary

#BB3E3B #3BBB7E #3B78BB

monochromatic

#5E1F1E #8C2F2C #BB3E3B #CE6765 #DD9593

Accessibility & contrast

On white

5.43

#BB3E3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#BB3E3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3E3B

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3E3B	#FFFFFF	#000000	##FFFFFF
##BB3E3B	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60593A

Deuteranopia (green-blind)

#7F7437

Tritanopia (blue-blind)

#CD1D3F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #bb3e3b;
/* rgb */ color: rgb(187, 62, 59);
/* oklch */ color: oklch(54.3% 0.162 25.5);

Tailwind

colors: {
  custom: {
    50: '#d77a71',
    500: '#bb3e3b',
    950: '#000000',
  },
}

SCSS

$custom: #bb3e3b;
$custom-light: #d77a71;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3e3b",
  "rgb": {
    "r": 187,
    "g": 62,
    "b": 59
  },
  "hsl": {
    "h": 1.406,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.5425,
    "c": 0.16151,
    "h": 25.5
  },
  "luminance": 0.14326
}

Semantic roles & 50–950 ramp

primary

#BB3E3B

secondary

#8AC7C8

accent

#D8DB4C

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BB3E3B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →